After obtaining the Aurukun Bauxite Mineral Development Certificate in Australia in September 2007, after five months of experimental research, China Aluminum Corporation achieved a major breakthrough in the flotation and desilication of the Aurukun bauxite mine.
The Aolu Kun bauxite ore is of complex nature. The single ore concentrate A/S (aluminum-silicon ratio) is 4-5.3, containing 15%-30% of boehmite, more than 6% of quartz, more than 7 % of kaolinite is difficult to wash. In response to these characteristics, the scientific and technical personnel of the Zhengzhou Research Institute, which belongs to Chinalco Corporation, organized scientific and technological personnel to vigorously carry out scientific and technological research and developed a technological prototype suitable for the desilication of overseas high-silica bauxite resources: the use of flotation technology to remove bauxite from High-content quartz, when the ore A/S 4.2-5.6, the concentrate aluminum-silicon ratio is more than 8.5, the concentrate yield is 89%, and the alumina recovery rate is more than 92%, which provides powerful technology for the development of the company Alukun project. support.
The Aurukun bauxite resource is located in Yorks Point, in northern Queensland, Australia, adjacent to the famous Weipa mine, with an estimated resource of approximately 420 million tonnes (after dry mining). Chinalco plans to build an alumina plant with an annual output of 2.1 million tons and a 10 million-ton bauxite mine and related facilities on the east coast of Queensland with a total investment of about 3 billion Australian dollars.
The Aolu Kun bauxite ore is of complex nature. The single ore concentrate A/S (aluminum-silicon ratio) is 4-5.3, containing 15%-30% of boehmite, more than 6% of quartz, more than 7 % of kaolinite is difficult to wash. In response to these characteristics, the scientific and technical personnel of the Zhengzhou Research Institute, which belongs to Chinalco Corporation, organized scientific and technological personnel to vigorously carry out scientific and technological research and developed a technological prototype suitable for the desilication of overseas high-silica bauxite resources: the use of flotation technology to remove bauxite from High-content quartz, when the ore A/S 4.2-5.6, the concentrate aluminum-silicon ratio is more than 8.5, the concentrate yield is 89%, and the alumina recovery rate is more than 92%, which provides powerful technology for the development of the company Alukun project. support.
The Aurukun bauxite resource is located in Yorks Point, in northern Queensland, Australia, adjacent to the famous Weipa mine, with an estimated resource of approximately 420 million tonnes (after dry mining). Chinalco plans to build an alumina plant with an annual output of 2.1 million tons and a 10 million-ton bauxite mine and related facilities on the east coast of Queensland with a total investment of about 3 billion Australian dollars.
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